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Body-checking and its association with nutritional status in young adults

Pedro Henrique Berbert de Carvalho1, Valter Paulo Neves Miranda2, Silvia Eloiza Priore2,
Fernanda da Costa Oliveira3, Maria Elisa Caputo Ferreira4

1 Federal University of Juiz de Fora (UFJF), Campus Governador Valadares, Juiz de Fora, MG, Brazil.

2 Department of Nutrition, Federal University of Viçosa (UFV), Viçosa, MG, Brazil.

3 Faculty of Physical Education and Sport, UFJF, Juiz de Fora, MG, Brazil.

4 Department of Psychology, UFJF, Juiz de Fora, MG, Brazil.

Received: 10/28/2014 – Accepted: 3/23/2015

DOI: 10.1590/0101-60830000000044

Address correspondence to: Pedro Henrique Berbert de Carvalho. Universidade Federal de Juiz de Fora – Campus Governador Valadares, Departamento de Educação Física. Rua José Lourenço Kelmer, s/n, Campus Universitário – 36036-900 – Juiz de Fora, MG, Brazil. Phones: +55 (33) 9114-3073/+55 (32) 9906-4455/+55 (32) 3217-6014. Email: pedro.berbert@gmail.com


Background: The body-checking is a frequent behavior observed in young adults. It is associated with body dissatisfaction and inappropriate eating attitudes. However, its association with nutritional status remains unclear. Objectives: This study aimed to assess the association between body-checking behavior and nutritional status. Methods: We conducted a cross-sectional study with 587 (311 men) undergraduate students from the city of Juiz de Fora – Minas Gerais. The frequency of body-checking behavior was assessed by Body Checking Questionnaire and Male Body Checking Questionnaire; and inappropriate eating attitudes by Eating Attitudes Test-26. Body weight and height were self-reported. Descriptive, Chi-square test of association and Multiple Correspondence Analysis were done, adopting a statistical significant level of 5%. Results: Association was found between body-checking behavior, nutritional status and gender (c2 (64) = 3219.88; p < 0.001). The Multiple Correspondence Analysis demonstrated association between the nutritional status categories low weight, eutrophia and overweight conjointly with low and moderate body-checking categories. Obesity and high body-checking, in turn, were inversely associated. Discussion: There was an association between nutritional status and the frequency of body-checking behaviors in young adults of both genders. Body-checking is a behavior that deserves attention and monitoring in epidemiological and clinical practices.

Carvalho PHB et al. / Arch Clin Psychiatry. 2015;42(2):33-7

Keywords: Body-checking, nutritional status, gender, multivariate analysis.


The concern with physical appearance and body image is a reality in both developed and developing countries, increasing investment on the body and the adoption of body change behaviors1. Nevertheless, some authors pointed that2,3, seeking good physical appearance and health simultaneously leads to unclear boundaries, where health and aesthetic motives juxtapose each other interchangeably.

The process of demographic and epidemiological transition is prone to population aging and to the increasing prevalence of chronic non-communicable diseases4. Malnutrition was reduced and the prevalence of overweight and obesity has increased due to the adoption of sedentary lifestyle and consumption of high-fat foods5. As a consequence of body composition changes resulting from unhealthy living habits, chronic non-communicable diseases are becoming a public health problem assuming epidemic proportions6.

Studies have shown that overweight and obese individuals have psychological disorders, such as lower body satisfaction and self-esteem, greater social anxiety, and exhibiting major depressive symptoms than those with underweight and adequate weight7,8. In order to modify the body, various strategies have been adopted, such as excessive physical exercise, restrictive diets, use of dietary supplements, as well as the use/abuse of anabolic steroids, laxatives and vomiting9,10. It is important to note that some of these practices are directly linked to health damage, while others have potential for harm if not managed correctly (i.e., excessive physical exercise and use of dietary supplements)10.

Body-checking is a behavioral manifestation of body dissatisfaction and overconcern with shape and weight11 and includes any behavior oriented to verify the body appearance and physical state held constant by means of weighing, measuring body parts (i.e., waist and abdomen in women and biceps and chest in men) and analysis of the body in mirror. Such behaviors are used as a source of information about the success or failure in controlling body weight and shape, and its frequency is associated with body dissatisfaction, purging behaviors and restrictive diets12-16.

However, the study of body-checking behavior is recent and its association with nutritional status remains unclear. It is possible that underweight, eutrophic, overweight and obese individuals showed differences in frequency of body-checking behavior, either to control body weight for health reasons, or even to the desire to modify their physical appearance and to increase your body satisfaction. Thus, the aim of this research was to associate the frequency of body-checking behavior with the nutritional status of young adults of both genders.


Study design and participants

This cross-sectional study17 was developed with a random sample of 587 undergraduate students (276 women and 311 men) of the Federal University of Juiz de Fora (UFJF) – Minas Gerais.

To participate, individuals must be regularly enrolled in any period of the courses of the UFJF, be older than 18 years old and agree to participate voluntarily in the study. Individuals who scored greater than or equal to 21 points on the Eating Attitudes Test-2618 were excluded. Such cutoff point is used as an indicator of abnormal eating attitudes and risk for development of eating disorder. We adopted this strategy since individuals with eating disorders present higher frequency of body-checking behavior when compared with a non-clinical population12,14.

The sample size calculation was performed considering a confidence level equal to 95%, 5% of maximum error of estimation, and unknown prevalence of phenomenon (body-checking behavior)17. The value obtained, already corrected for finite samples was 378 individuals. Twenty percent was added to effect of sample loss, yielding a final value of 454 individuals.

The study was approved by the Ethics in Research Committee of the UFJF, according to the protocol 2193.253.2010. All ethical principles established by the Health National Council Resolution 196 from October 10, 1996, were respected.

After approval of the project, the researchers established contact with teachers of the UFJF to explain the entire procedure and request authorization for intervention during the initial period of classes. On the day of data collection, the researchers explained the objectives and procedures of the study to the participants and distributed the forms. Thus, those who voluntarily agreed to participate and signed the consent answered the questionnaires.

Assessment measures

The Brazilian version of the Body Checking Questionnaire (BCQ)19 was used to evaluate the body-checking behavior in women. The BCQ is an easily understandable 5-item Likert scale (1 = never to 5 = very often) on which the individual rates the frequency of 12 sentences related to body-checking behavior. The instrument score ranges from 12 to 60 points. The higher the score, the more frequent is the body-checking behavior. The Brazilian version achieved adequate internal consistency and factor structure19. The internal consistency of the BCQ obtained in the present sample was adequate (Cronbach’s alpha = 0.85).

To assess body-checking behavior in males, the Male Body Checking Questionnaire (MBCQ)20 was used. The MBCQ is a self-report instrument with 19 sentences answered on a 5-item Likert scale (1 = never to 5 = very often). The score ranges from 19 to 95 points, and the higher the score, the more frequent are behaviors related to body-checking20. The MBCQ was developed as an alternative to BCQ to enable the evaluation of body-checking behaviors in men. The Brazilian version achieved adequate internal consistency (Cronbach’s alpha = 0.93)20 and in this sample corresponded to 0.94.

The Eating Attitudes Test-26 (EAT-26) was used to assess the inappropriate eating attitudes18. The instrument consists of 26 sentences answered on a 6-item Likert scale with responses ranging from always (3 points) to never (0 point), except for question 25, which has an inverse score. Score greater than or equal to 21 points is an indicator of possible risk behavior for eating disorders (EAT-26 positive), and the presence of abnormal eating patterns18. The Brazilian version had good internal consistency18, and in the present sample was equal to 0.88 (0.87 for women and 0.88 for men).

The assessment of nutritional status was evaluated through the body mass index (BMI), which was calculated using self-reported data of body mass and height. Subjects were grouped according to the classification established by the World Health Organization21 – BMI < 18.5 kg/m² (underweight); BMI 18.5-24.9 kg/m² (eutrophic); BMI 25-29.9 kg/m² (overweight); and BMI > 29.9 kg/m² (obesity).

Statistical analysis

All data were stored in a database and analyzed using SPSS software v. 16.0. Descriptive statistics (mean and standard deviation) on the age of the participants was performed. Nutritional status, inappropriate eating attitudes and body-checking behaviors were described by absolute and relative frequencies. Inferential statistics were applied to report the internal consistency (Cronbach’s alpha) of the questionnaires. Alpha higher than 0.70 was considered adequate22.

Multiple Correspondence Analysis (MCA) were performed, following the geometric data analysis23,24. Associations between categories of different variables (body-checking behaviors, nutritional status and gender) were obtained by the MCA.

Through graphic representation, it is possible to interpret associations according to the positions of the categories of each variable in the multidimensional plan. The distance between the positions of each category is a chi-square distance, allowing the analysis of association between them. In order to obtain plans that represent the configuration categories of variables in space, we calculate a set of factorial axes (dimensions), each maximizing a portion of the data variability. This set of axes define a multidimensional space and, usually, one can use a noticeable size, up to three axes to analyze the position of the points in space23,24.

The MCA is based on categorical data and utilizes observed frequency24. Thus variables as gender (female and male) and nutritional status (underweight, eutrophia, overweight and obesity) were classified. The scores of BCQ and MBCQ were analyzed according to tertiles. Women were classified (BCQ) in low (12-27 points), moderate (28-43 points) and high body-checking (44-60 points); while men (MBCQ) in low (19-44 points), moderate (45-69 points) and high body-checking (70-95 points).

As a premise for the fulfillment of the MCA, Chi-square test was performed to ascertain if there was independence between variables24. For all analyzes, results were considered significant only if p < 0.05.


Descriptive analysis

A total of 587 undergraduate students (276 women and 311 men) were recruited. Eighty-two participants (62 women and 20 men) from the original sample were excluded due to the presence of risk factors for eating disorders (EAT-26 positive). We analyzed data from the remaining 505 participants with an average age of 20.19 (SD = 2.41 years) among women and 21.57 (SD = 3.79 years) among men.

It was observed underweight in 14.46% (n = 73, 60 women and 13 men), eutrophia in 63.76% (n = 322, 134 women and 188 men), overweight in 18.22% (n = 92, 12 women and 80 men), and obesity in 3.56% (n = 18, 8 females and 10 males) of the participants (Table 1).

Table 1. Percentage distribution of gender and nutritional status according to body-checking behavior frequency

Table 1. Percentage distribution of gender and nutritional status according to body-checking behavior frequency

Table 2. Absolute contribution (mass, quality and inertia point) of variables in the composition of each factor on multiple correspondence analysis (geometric display)

Table 2. Absolute contribution (mass, quality and inertia point) of variables in the composition of each factor on multiple correspondence analysis (geometric display)

Multiple correspondence analysis

The results of the MCA demonstrated that three factorial axes were sufficient for analyzing the data, explaining 58.88% of the total data variability. Visual analysis of screeplot (graphic not shown) confirmed the maintenance of the three factorial axes (dimensions). Considering the absolute contributions of each variable in the composition of each dimension, elucidated in table 2, it is observed that the first dimension is formed primarily by: male and female, underweight and overweight. The categories that mostly contributed to the formation of the second dimension are: obesity and high body-checking; while for the third dimension was comprised by eutrophia, low and moderate body-checking.

In figure 1 we have the geometric representation of the categories of the variables in the factorial plan, with the first two dimensions. The first, which explains 23.83% of the variability of the data, separates females from males, and the underweight from the overweight. On the negative side of dimension 1 are the group: female, underweight and moderate body-checking. Positioned on the positive side are the opposite characteristics: male, overweight and obesity, low and high body-checking. The eutrophia category is also on the positive side, however, its chi-square distance to ground zero axis is minimal (0.02).

The second dimension, which explains 18.21% of the variability of the data, separates the obesity from the high body-checking. On the negative side of this dimension are: male, eutrophia and overweight and also moderate body-checking. On the opposite side are situated: female, underweight and obesity, and also low and high body-checking. The third dimension, which explains 16.84% of the variability of the data, separates low and moderate body-checking from eutrophia. On the negative side are: male, underweight, overweight and obesity and low body-checking. On the positive side are: female, normal weight, moderate and high body-checking.

Figure 1. Distribution of gender, nutritional status and body-checking resulting from multiple correspondence analysis, in dimensions 1 and 2.

Figure 1. Distribution of gender, nutritional status and body-checking resulting from multiple correspondence analysis, in dimensions 1 and 2.

Figure 2. Distribution of gender, nutritional status and body-checking resulting from multiple correspondence analysis, in dimensions 2 and 3.

Figure 2. Distribution of gender, nutritional status and body-checking resulting from multiple correspondence analysis, in dimensions 2 and 3.

Associations between categories of variables can be evaluated by analyzing the proximity of the points in figures 1 and 2. Thus, in figure 1, it can be seen that the category female located in the left quadrant is formed by those with underweight and moderate body-checking. Meanwhile, the male category, located on the right quadrant is composed of overweight and low body-checking. It is still observed in figure 1 that eutrophia and low body-checking are between male and female dividing these two categories almost similarly, and thus being associated with both genders.

Still on the same figure (Figure 1) it can be observed a separation of the obesity and high body-checking of the others categories. However, as seen in table 2, these categories are better represented in the second dimension, illustrated in figure 2, with the third dimension. In this figure you can see the spacing of these two variables from the other. However, figure 2 shows that obesity and high body-checking are in opposite quadrants. It is also evident in figure 2 the association of eutrophia with low and moderate body-checking.


This study sought to identify possible associations between the frequency of body-checking behavior and nutritional status of young adults of both genders. The method of MCA was able to demonstrate associations and similarities of the categories analyzed, by facilitating, as the proposed by the method itself, the visualization of data in a geometric space with chi-square distances24. Unlike other existing techniques of dependence in multivariate data analysis, in MCA, considered a technique of interdependence, the solution is based on existing data, without the possibility of modifying the dependency between the categories analyzed24.

According to the results of the MCA there was a linear relationship between the frequency of body-checking behaviors and nutritional status (Figures 1 and 2). Those individuals with underweight, eutrophia and overweight had a higher association with low and moderate body-checking. Specifically, around 80% of these indivi­duals demonstrated low body-checking behaviors, while 18% showed moderate body-checking (Table 1). Such pattern of distribution was lost when approaching obese individuals, where different frequency values of body-checking (90% low and 5% moderate body-checking) were observed when compared to other categories.

This result confirms the hypothesis that body-checking behaviors may differ between groups by nutritional status. However, this difference was observed only in the obese group. According to Fairburn25, the more the individual observes his body parts he/she does not like, the more dissatisfied he/she becomes. It raises the possibility of adoption of inappropriate eating attitudes and also the adoption of deleterious health strategies. To deal with this body dissatisfaction, serving as a coping strategy, some individuals adopt an opposite behavior to checking, called “body avoidance behavior”25-27. Body avoidance is considered a response to thoughts and emotions related to events and actions that bring a deep depreciation or body dissatisfaction25. It is described as an action of concealing the body, accomplished through the use of loose clothes and dark colors (i.e., black), avoidance of social situations and contact with other individuals.

In a study with obese individuals Reas et al.26 concluded that there are periods of alternations between body-checking behaviors and avoidance. According to the authors, obese individuals seek to accommodate information obtained about their body weight and shape by interchange of body-checking and avoidance behaviors.

Grilo et al.27 also identified the alternation of these behaviors in obese seeking bariatric surgery. The authors highlight the relationship between high frequency of adoption of body-avoidance behaviors and binge eating, which contrasts with the relationship between high dietary restriction and body-checking.

The MCA also showed (Figure 1) an association between gender and body-checking. Women seem more likely to use a moderate body-checking frequency compared to men, who demonstrate more low body-checking frequency. Low body-checking behavior was present in 77.57% of female individuals and in 83.85% of males. Meanwhile, moderate body-checking was present in 22.43% and 14.43% of females and males, respectively. By using the same instruments applied in this research (BCQ and MBCQ), Alfano et al.15 identified significant differences in the frequency of body-checking behavior between genders. University female students showed higher frequency of body-checking behavior than males.

Body-checking behavior is related to the adoption of inappropriate eating behaviors, which is known to be harmful to health, such as extreme food restriction12-16. Patients diagnosed with anorexia nervosa and bulimia nervosa demonstrate a higher frequency of this behavior than a non-clinical population12-14.

Kachani et al.14 compared the frequency of body-checking behavior among Brazilian women with eating disorders (anorexia and bulimia nervosa) and a control group (non-clinical sample). Patients with eating disorders, especially with bulimia nervosa exhibited higher frequency of body-checking compared to the control group. The most common way to check the body was through the mirror, while the least was body weighing.

Unlike the present study, Kachani et al.14 do not identified association between nutritional status (BMI) and the body-checking behavior frequency. This different result can be explained by the characteristic of the group evaluated. As stated previously, patients with anorexia and bulimia nervosa have a higher frequency of body-checking behavior than individuals without the disorder12. In addition, to be diagnosed with anorexia nervosa women must have a BMI below the recommended for Health Institutions, which limits the variability of BMI among this sample for the statistical association analysis. Such a situation occurs in the non-clinical population (n = 40) used by the researchers14.

Fairburn et al.28 indicated that body-checking behavior is used by individuals as a means of evaluation of the own body, for example in order to get answers about the effectiveness of a program to reduce food intake (diet) or physical exercise for weight loss. An important outcome of Kachani’s research14 is the differentiation of the reasons that lead to body-checking behavior. Women with anorexia nervosa use this behavior to obtain objective information about the body and to feel that they have control over it, while those with bulimia nervosa seek comfort and safety. The control group (non-clinical) showed less motivation when compared to the clinical group and similarity among the reasons to check your own body.

In addition, data from the present study allowed us to conclude that women are more prone to body-checking behaviors, possibly greater need for control over the body, and higher necessity of body comfort than men. Male individuals in turn seem to exhibit less frequently this behavior and therefore would be less likely to adopt deleterious health behaviors such as vomiting, use of laxatives and the practice of extreme restrictive diet.

As stated by Fairburn et al.28, frequent body-checking increases body dissatisfaction and leads to food restriction. In this sense, individuals with underweight, eutrophia and overweight seem to adopt body-checking as a way of control over the body or even a direct form to obtain information about their weight and body shape. Such a strategy of body-care serves as a parameter of success/failure in weight control and must be accompanied and guided by professionals dealing with this individual. However, similar attention should be available to obese individuals. Although these individuals present low body-checking, its high avoidance behavior can forward for binge eating, causing health damage6.

For these reasons, researchers point to the need to monitor these behaviors in clinical practice14,25,28. Considering the role in the etiology and maintenance of beliefs and cognitive dysfunctions in patients with eating disorders, body-checking behavior should be considered target in the treatment of these patients and also a strategy for monitoring non-clinical population12,14,25.

This paper presented advances in the identification of the association of body-checking behaviors and nutritional status. However, some limitations were worth mentioning. First, the sample used was a convenience sample of undergraduate students. Results may not gene­ralize to different geographical Brazilian regions. Second, the cross-sectional design. This design didn’t allow to conclude whether there is alternation between body-checking and body-avoidance behaviors in this population, as suggested by other studies26,27. Third, possible mental disorders other than eating disorders were not systematically assessed/excluded among this study’s participants. EAT-26 was used to assess risk behavior for eating disorders. Thus, biases due to the presence of psychiatric conditions cannot be fully addressed. Lastly, although it is a valid method for assessing the nutritional status, BMI was self-reported and may not be suitable for evaluating aspects of male body image, since in this population a concern with muscularity is a crucial aspect of body change behaviors29.

Despite these limitations the present study contributed to the understanding of the association between body-checking behavior and nutritional status. In particular, we highlight the association between nutritional status and the frequency of body-checking in young adults of both genders. Obese individuals have a higher frequency of low body-checking. Women exhibited greater relationship with moderate body-checking, while men with low body-checking.

Body-checking behavior deserves observation and monitoring in epidemiological and clinical practice, due to known interference of this variable on the health of individuals. More studies should be conducted to study the cause-effect relationship between the factors that lead to attitudes of body-checking performed on children, adolescents, adults and the elderly.


We gratefully acknowledge the instrumental support of the Laboratório de Estudos do Corpo (LABESC). We thank the study participants and the Federal University of Juiz de Fora (UFJF) for the partnership in this study.


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